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Texas oil lease

Producing

GARDENDALE 12

Gardendale 12 is an oil lease in Ector County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

11 wells

44,481bbl oil, last 12 months+194% vs prior year
Operator
Diamondback E&P LLC
County
Ector County
Field
Spraberry (Trend Area)
RRC lease
08-40668

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Where it sits

This county

Ector CountyEctorMartinMidlandAndrewsWinklerWardEctor County
Ector County
Gas, last 12 months
146,485 mcf
Oil in Jul 2026
4,807 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Diamondback E&P LLC took over from Slant Operating, LLC in Oct 2025.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output rose 194% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 194% over the last 12 monthsMonthly oil production and gas for GARDENDALE 12, Aug 2023 to Jul 2026. Oil output rose 194% over the last 12 months. 44,481 bbl in the 12 months through Jul 2026, against 15,130 bbl in the 12 months before.Last 12 months: 44,481 bblbbl per monthmcf per month002,0005,0004,00010k6,00015k8,00020kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 194% over the last 12 monthsMonthly oil production and gas for GARDENDALE 12, Aug 2023 to Jul 2026. Oil output rose 194% over the last 12 months. 44,481 bbl in the 12 months through Jul 2026, against 15,130 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0005,0004,00010k6,00015k8,00020kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

92% of the gas went to a transmission line in the last 12 months

Flaring peaked at 84.9% of the gas in Jan 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
92% of the gas went to a transmission line in the last 12 monthsShare of GARDENDALE 12 gas by disposition code each month, Aug 2023 to Jul 2026. 92% of the gas went to a transmission line in the last 12 months. Flaring peaked at 84.9% of the gas in Jan 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 84.9%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
92% of the gas went to a transmission line in the last 12 monthsShare of GARDENDALE 12 gas by disposition code each month, Aug 2023 to Jul 2026. 92% of the gas went to a transmission line in the last 12 months. Flaring peaked at 84.9% of the gas in Jan 2025.Share of gas by disposition code0%50%100%Flared 84.9%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    92% · 134,982 mcf

  • Flared (4)

    6.8% · 9,937 mcf

  • Lease fuel (1)

    1.1% · 1,566 mcf

6.8% of the gas flared in the last 12 months. 31 months above 3%.

Who has run this lease

The operator changed 3 times, most recently in Oct 2025

Operators of this lease over timeFDL Operating, LLC, Jan 2020 to Dec 2021; Contango Resources, LLC, Jan 2022 to Nov 2022; Slant Operating, LLC, Dec 2022 to Sep 2025; Diamondback E&P LLC, Oct 2025 to Jul 20262020202120222023202420252026Changed Jan 2022Changed Dec 2022Changed Oct 2025FDL Operating, LLCJan 2020 to Dec 2021Contango Resources, LLCJan 2022 to Nov 2022Slant Operating, LLCDec 2022 to Sep 2025Diamondback E&P LLCOct 2025 to now
Operators of this lease over timeFDL Operating, LLC, Jan 2020 to Dec 2021; Contango Resources, LLC, Jan 2022 to Nov 2022; Slant Operating, LLC, Dec 2022 to Sep 2025; Diamondback E&P LLC, Oct 2025 to Jul 20262020202120222023202420252026Changed Jan 2022Changed Dec 2022Changed Oct 2025FDL Operating, LLCJan 2020 to Dec 2021Contango Resources, LLCJan 2022 to Nov 2022Slant Operating, LLCDec 2022 to Sep 2025Diamondback E&P LLCOct 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

11 wells on this lease

Wells on GARDENDALE 12
API numberWell no.Status
42-135-404411Active
42-135-4095716Active
42-135-4267615Active
42-135-428694Active
42-135-428716Active
42-135-428728Active
42-135-4287313Active
42-135-4287414Active
42-135-4289111Active
42-135-4289212Active
42-135-429897Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Pipeline L.p.OilGathers100Dec 1, 2022–
Dcp Operating Company, LPCasinghead gasBuys100Dec 1, 2022–
Dcp Operating Company, LPCasinghead gasGathers100Dec 1, 2022–
Dcp Operating Company, LPCasinghead gasGathers50Jan 1, 2022Dec 1, 2022
Enlink Permian, LLCCasinghead gasGathers25Jan 1, 2022Dec 1, 2022
James Lake Midstream LLCCasinghead gasGathers25Jan 1, 2022Dec 1, 2022
Dcp Operating Company, LPCasinghead gasBuys50Jan 1, 2022Dec 1, 2022
Enlink Gas Marketing, LPCasinghead gasBuys25Jan 1, 2022Dec 1, 2022
James Lake Midstream LLCCasinghead gasBuys25Jan 1, 2022Dec 1, 2022

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

657.80 acres on the newest permit

  • Good to know

    11 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Gardendale 12
API numberWell no.Acreson the permit
42-135-428694657.80
42-135-429897657.80
42-135-428716657.80
42-135-4289111657.80
42-135-4289212657.80
42-135-428728657.80
42-135-4287313657.80
42-135-4287414657.80
42-135-4267615657.80
42-135-4095716657.80
42-135-404411657.80

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

What Diamondback Energy, Inc. told investors it received

Diamondback E&P LLC is linked to Diamondback Energy, Inc. (FANG).
Realized prices reported by Diamondback Energy, Inc.
QuarterOil$ per bblFiling
Q2 2026$96.82SEC filing
Q1 2026$73.47SEC filing
Q4 2025$58.00SEC filing
Q3 2025$64.60SEC filing
Q2 2025$63.23SEC filing
Q1 2025$70.95SEC filing

SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for GARDENDALE 12
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P4,8074,81118,35617,257672$80.46$2.89
Jun 2026Diamondback E&P4,2054,12614,37614,0300$84.81$3.15
May 2026Diamondback E&P3,4313,32914,12913,7550$102.13$2.94
Apr 2026Diamondback E&P3,3013,30614,45812,8331,438$100.32$2.77
Mar 2026Diamondback E&P4,2054,19813,77012,813725$91.38$3.04
Feb 2026Diamondback E&P3,8244,03111,81111,72784$64.51$3.62
Jan 2026Diamondback E&P4,1824,00613,25612,484772$60.04$7.72
Dec 2025Diamondback E&P3,6593,77114,64613,770876$57.97$4.26
Nov 2025Diamondback E&P5,4535,55315,15414,388766$60.06$3.79
Oct 2025Diamondback E&P4,0283,7825,3795,134245$60.89$3.19
Sep 2025Slant Operating,1,6771,6865,5492,6372,912$63.96$2.97
Aug 2025Slant Operating,1,7091,7335,6014,1541,447$64.86$2.91
Jul 2025Slant Operating,2,6282,6548,2465,6532,593$68.39$3.20
Jun 2025Slant Operating,2,5522,5539,7678,3561,411$68.17$3.02
May 2025Slant Operating,1,5871,5407,8715,4902,381$62.17$3.12
Apr 2025Slant Operating,1,2671,4191,9241,479445$63.54$3.42
Mar 2025Slant Operating,26072530366164$68.24$4.12
Feb 2025Slant Operating,00000$71.53$4.19
Jan 2025Slant Operating,9627158488496$75.74$4.13
Dec 2024Slant Operating,1,2131,1349,3018,0141,287$70.12$3.01
Nov 2024Slant Operating,1,2431,1969,7258,6561,069$69.95$2.12
Oct 2024Slant Operating,1,3581,3959,2477,4551,792$71.99$2.20
Sep 2024Slant Operating,1,4311,4829,4068,863543$70.24$2.28
Aug 2024Slant Operating,1,4951,5889,9018,7901,111$76.68$1.99
Jul 2024Slant Operating,1,4621,27310,2339,795438$81.80$2.07
Jun 2024Slant Operating,1,3851,4489,6049,380224$79.77$2.54
May 2024Slant Operating,1,3771,3379,5178,4291,088$80.02$2.12
Apr 2024Slant Operating,9781,1928,8317,8001,031$85.35$1.60
Mar 2024Slant Operating,1,2059789,5608,3061,254$81.28$1.49
Feb 2024Slant Operating,1,2261,2389,0068,109897$77.25$1.72
Jan 2024Slant Operating,1,4471,41410,4807,5232,957$74.15$3.18
Dec 2023Slant Operating,1,2111,2049,5038,0381,465$71.90$2.52
Nov 2023Slant Operating,1,2501,2569,5212,0347,487$77.69$2.71
Oct 2023Slant Operating,1,3381,36011,9855,6756,310$85.64$2.98
Sep 2023Slant Operating,1,1841,20211,0834,2036,880$89.43$2.64
Aug 2023Slant Operating,1,2451,20812,3548,9853,369$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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This lease belongs to

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyEctor County

Diamondback E&P LLC in Ector County

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Spraberry (Trend Area) field

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